Growing community of inventors

Somerville, MA, United States of America

Gerard Helfrich

Average Co-Inventor Count = 1.94

ph-index = 4

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.

Forward Citations = 31

Gerard HelfrichMark S Izen (4 patents)Gerard HelfrichAlexander Webb (3 patents)Gerard HelfrichMichael Oppenheim (3 patents)Gerard HelfrichBrian Archer (3 patents)Gerard HelfrichSteve Lepke (1 patent)Gerard HelfrichGerard Helfrich (7 patents)Mark S IzenMark S Izen (53 patents)Alexander WebbAlexander Webb (11 patents)Michael OppenheimMichael Oppenheim (5 patents)Brian ArcherBrian Archer (4 patents)Steve LepkeSteve Lepke (18 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. First Act Inc. (7 from 71 patents)


7 patents:

1. 7608769 - Packaged drum set

2. 7244883 - Drum container

3. D541841 - Castanet

4. 7087825 - Musical instrument system

5. D514927 - Drumstick hanger package

6. D506131 - Drum box

7. D499020 - Drum box

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/26/2025
Loading…