Encryption Patents 1976-1998

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17 July 1998

This is an index to the 933 encryption patent abstracts from 1976 to 1998 available on July 16, 1998, at the US Patent Office Web site: http://www.uspto.gov. It is derived from a single search under the term "encryption," and thus may not include cryptography, cryptology, steganograpy or other data or communication security items. For other searches see: http://patents.uspto.gov/access/search-bool.html

The list is divided into parts of 100 items listed latest to earliest. All nine parts are available as a Zipped file: http://jya.com/pto-071698.zip (47K).

Item No. Date Range Patent No. Range
(Latest first) URL

1-100 Feb. 3, 1998 to Jul. 14, 1998 5,781,632 to 5,715,314 http://jya.com/pto-071698-100.htm

101-200 Apr. 8, 1997 to Feb. 3, 1998 5,715,164 to 5,619,575 http://jya.com/pto-071698-200.htm

201-300 Jun. 18, 1996 to Apr. 8, 1997 5,619,574 to 5,528,691 http://jya.com/pto-071698-300.htm

301-400 May 2, 1995 to Jun. 11, 1996 5,412,722 to 5,307,370 http://jya.com/pto-071698-400.htm

401-500 Apr. 26, 1994 to May 2, 1995 5,412,722 to 5,307,370 http://jya.com/pto-071698-500.htm

501-600 Oct. 27, 1992 to Apr. 19, 1994 5,305,384 to 5,159,630 http://jya.com/pto-071698-600.htm

601-700 Oct. 16, 1990 to Oct. 6, 1992 5,153,921 to 4,964,165 http://jya.com/pto-071698-700.htm

701-800 Apr. 5, 1988 to Oct. 16, 1990 4,964,164 to 4,736,423 http://jya.com/pto-071698-800.htm

801-933 May 11, 1976 to Apr. 5, 1988 4,736,420 to 3,956,615 http://jya.com/pto-071698-933.htm

Item No.	Date Range	Patent No. Range (Latest first)	URL
1-100	Feb. 3, 1998 to Jul. 14, 1998	5,781,632 to 5,715,314	http://jya.com/pto-071698-100.htm
101-200	Apr. 8, 1997 to Feb. 3, 1998	5,715,164 to 5,619,575	http://jya.com/pto-071698-200.htm
201-300	Jun. 18, 1996 to Apr. 8, 1997	5,619,574 to 5,528,691	http://jya.com/pto-071698-300.htm
301-400	May 2, 1995 to Jun. 11, 1996	5,412,722 to 5,307,370	http://jya.com/pto-071698-400.htm
401-500	Apr. 26, 1994 to May 2, 1995	5,412,722 to 5,307,370	http://jya.com/pto-071698-500.htm
501-600	Oct. 27, 1992 to Apr. 19, 1994	5,305,384 to 5,159,630	http://jya.com/pto-071698-600.htm
601-700	Oct. 16, 1990 to Oct. 6, 1992	5,153,921 to 4,964,165	http://jya.com/pto-071698-700.htm
701-800	Apr. 5, 1988 to Oct. 16, 1990	4,964,164 to 4,736,423	http://jya.com/pto-071698-800.htm
801-933	May 11, 1976 to Apr. 5, 1988	4,736,420 to 3,956,615	http://jya.com/pto-071698-933.htm