Average Co-Inventor Count = 3.00
ph-index = 6
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. G. B. R., Ltd. (3 from 5 patents)
2. American Express Company (1 from 6 patents)
3. Gunther Business Systems, Inc. (1 from 1 patent)
4. George Schmitt Research Corp. (1 from 1 patent)
6 patents:
1. 4464878 - Mechanism and method of making an envelope
2. 4343129 - Mechanism of making an envelope
3. 4312169 - Mechanism for making an envelope around an insert
4. 4299073 - Machine and method for packaging travelers checks
5. 4179111 - Folding mechanism
6. 4071997 - Mechanism and method of making an envelope