Average Co-Inventor Count = 1.00
ph-index = 3
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Printed Forms Equipment Ltd. (5 from 9 patents)
5 patents:
1. 5904644 - Envelope closer
2. 5487254 - Apparatus for inserting material into envelopes
3. 5425533 - Apparatus for assembly of a plurality of items of insert material into
4. 5406771 - Apparatus for inserting material into envelopes
5. 5327701 - Apparatus for inserting material into envelopes